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Barcelona's Argentinian forward Lionel Messi (L) scores his second goal during the UEFA Champions League football match FC Barcelona vs FC Bayern Muenchen at the Camp Nou stadium in Barcelona on May 6, 2015. AFP PHOTO/ LLUIS GENE (Photo credit should read LLUIS GENE/AFP/Getty Images)

Barcelona's Argentinian forward Lionel Messi (L) scores his second goal during the UEFA Champions League football match FC Barcelona vs FC Bayern Muenchen at the Camp Nou stadium in Barcelona on May 6, 2015.     AFP PHOTO/ LLUIS GENE        (Photo credit should read LLUIS GENE/AFP/Getty Images)